Home / 345,760.26-477,155.04-190,729.35

Finding the Fourth Proportional to 345,760.26, 477,155.04 and 190,729.35

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Solution

The fourth proportional to 345,760.26, 477,155.04 and 190,729.35 is: 263,209.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,760.26 : 477,155.04 = 190,729.35 : x
  2. Step 2: Convert to fraction form
    345,760.26/477,155.04 = 190,729.35/x
  3. Step 3: Cross multiply
    345,760.26x = 477,155.04 × 190,729.35
  4. Step 4: Simplify right side
    345,760.26x = 91,007,471,522.47
  5. Step 5: Solve for x
    x = 91,007,471,522.47/345,760.26
  6. Step 6: Final answer
    x = 263,209.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.